Duncan Wind ForecastAustraliaSAKangaroo IslandDuncan1-Day3-Day5-Day Graph Plots Open in Graphs Wind Forecast Bureau of MeteorologyWind Real-Time Duncan wind forecast issued today at 12:03 am. Next forecast at approx. 12:03 pm. Duncan Wind Statistics View MoreSeptember WindKingscote Airport (35km)2025AugustSeptemberStrongest – Average September–Strongest 29 August, 202583.2km/h WSWAverage August15.3km/hStrongest 26 May, 202588.9km/h WNWAverage 202515.8km/hClimate (2010–Present)Kingscote Airport (35km)Take a look at our website widgetsAvailable free! Find Out MoreStrongest 26 May, 202588.9km/h WNWAverage 2020–202515.7km/hWind RoseAnnual (5 Year Average)5 Year Average Annual5 Year Average September15%8.75%2.5%CalmGaleSeptember Wind RoseSeptember (5 Year Average)5 Year Average Annual5 Year Average September20%11.25%2.5%CalmGaleGet WillyWeather+ to remove ads